CN110956907A

CN110956907A - Interactive holographic three-dimensional display system

Info

Publication number: CN110956907A
Application number: CN201911274941.3A
Authority: CN
Inventors: 胡永生
Original assignee: Binzhou University
Current assignee: Binzhou University
Priority date: 2019-11-22
Filing date: 2019-12-12
Publication date: 2020-04-03

Abstract

The utility model provides an interactive holographic three-dimensional display system, including the show room, be equipped with the show cupboard of the C type that the opening was right in the show room, the bottom surface all installs the holographic glass who is used for the projection in the show cupboard, the left side of show cupboard all is equipped with vertical lead screw, the first axle sleeve of threaded connection with it is all overlapped in the middle part of lead screw, the left side of the equal fixed connection show cupboard in right side of first axle sleeve, the left side of lead screw all is equipped with the smooth first sleeve pipe of periphery parallel with it, the equal suit of first sheathed tube middle part contacts complex second axle sleeve with it. The invention adopts a plurality of display cabinet devices to display the whole dynamic picture to be displayed, and simultaneously, the movable and liftable display cabinet can make the object or character displayed in the corresponding holographic glass more three-dimensional, and can adjust the height and position of the decorative article according to the adjustment of the plurality of display cabinets, thereby adjusting the whole indoor layout, ensuring that the decorative article of the whole indoor design indoor layout is displayed more flexibly, and further achieving the best indoor layout effect.

Description

Interactive holographic three-dimensional display system

Technical Field

The invention belongs to the field of display systems, and particularly relates to an interactive holographic three-dimensional display system.

Background

The holographic projection technology is also called as virtual imaging technology, and is a technology for recording and reproducing a real three-dimensional image of an object by utilizing the interference and diffraction principles; among the prior art holographic projection display device is fixed in between the show mostly through strutting arrangement in, can't realize nimble removal in between the show, whole show process seems monotonous, and the whole third dimension of the picture that presents is not strong and lifelike inadequately, and generally only is equipped with a show cupboard between a show among the prior art and demonstrates moreover, and the show picture is the solid on the plane only, can't remove in the space, and the bandwagon effect is single and lively inadequately.

Disclosure of Invention

The invention provides an interactive holographic three-dimensional display system, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

an interactive holographic three-dimensional display system comprises a display room, wherein a plurality of C-shaped display cabinets with right openings are arranged in the display room, holographic glass for projection is fixedly arranged on the inner bottom surface of each display cabinet, vertical lead screws are arranged on the left sides of the display cabinets, first shaft sleeves in threaded connection with the lead screws are sleeved in the middle of the lead screws, the right sides of the first shaft sleeves are fixedly connected with the left sides of the display cabinets, first sleeves parallel to the lead screws and smooth in periphery are arranged on the left sides of the lead screws, second shaft sleeves in contact fit with the first sleeves are sleeved in the middle of the first sleeves, the right sides of the second shaft sleeves are fixedly connected with the left sides of the first sleeves, vertical sleeves are symmetrically arranged at the top and the bottom of each first sleeve along the horizontal central line of the first sleeve, the open ends of the sleeves face one side away from the middle of the first sleeve, the two ends of the first sleeves respectively penetrate through the closed ends of, the first sleeve is internally provided with a coaxial telescopic shaft connected with a bearing, the telescopic shaft is divided into a fixed part at the middle part and movable parts at two ends, the movable parts can axially extend and retract along the fixed part without rotating relative to the fixed part, two movable ends of the telescopic shaft penetrate through the first sleeve, and the first sleeve, the sleeve and the telescopic shaft are coaxial; the left and right outer sides of the end part of the first sleeve are respectively fixedly provided with a vertical electric telescopic rod, the movable end of which is far away from the middle part of the first sleeve, the sleeve is internally and fixedly provided with an annular rack which is coaxial with the sleeve and has inward teeth, the inner side of the closed end of the sleeve is provided with an annular first groove which is coaxial with the sleeve, the first groove is positioned at the outer side of the corresponding annular rack, the sleeve is internally provided with a vertical second sleeve which is coaxial with the sleeve, one end of the second sleeve, which is close to the middle part of the first sleeve, is in splicing fit with the corresponding first groove, the movable end of the electric telescopic rod is connected with the inner wall of the second sleeve through a transverse plate, the middle part of the movable part of the telescopic shaft is fixedly provided with a gear column, one side of the transverse plate, which is far away from the middle part of the first sleeve, is fixedly provided with a double-shaft, the output shafts of the double-shaft motors close to the middle part of the first sleeve penetrate through the corresponding transverse plates and are respectively connected with the transverse plates through bearings, the output shafts of the double-shaft motors close to the middle part of the first sleeve are respectively and fixedly provided with first gears which are positioned at the inner sides of the corresponding annular racks and can be meshed and matched with the corresponding annular racks, the outer sides of the movable ends of the telescopic shafts are respectively and fixedly sleeved with two ratchet wheels with opposite teeth, the left side and the right side of the second sleeve are respectively and fixedly provided with a horizontal second rotating shaft, the inner ends of the second rotating shafts are respectively and fixedly provided with discs which are coaxial, the two discs are positioned between the two ratchet wheels, the peripheries of the two ratchet wheels are respectively and uniformly hinged and provided with a plurality of annular ratchets, the joints of the ratchets are respectively provided with torsional springs, the directions of the two ratchet wheels are opposite, the ratchets can be meshed and matched with, one side equidistant evenly seted up four spherical recesses at first sleeve middle part is kept away from to the sleeve, all install roll complex spin with it in the spherical recess, the both ends of lead screw run through corresponding telescopic blind end respectively and be connected with its bearing respectively, still be equipped with drive lead screw pivoted power device in the sleeve, equidistant vertically and horizontally staggered's third recess is all seted up to the roof and the diapire between the exhibition, the spin all is located corresponding third recess and roll complex with it, electric telescopic handle, double-shaft motor all is connected with power and controller.

According to the interactive holographic three-dimensional display system, the power device comprises the second motor, the fifth gear and the sixth gear, the second motor with the upward output shaft is fixedly installed on the inner side wall of the sleeve, the fifth gear is fixedly installed on the output shaft of the second motor, the sixth gear is fixedly installed at the lower end of the lead screw, the fifth gear is meshed with the sixth gear in a matched mode, and the second motor is connected with the power source and the controller.

The interactive holographic three-dimensional display system comprises a first sleeve, a second sleeve, a first groove, a second groove, a third groove and a fourth groove, wherein the first groove is provided with a first groove and a second groove, the second groove is provided with a second groove, the first groove is provided with a first annular slide block, the second annular slide block is in contact fit with the first groove, and the outer ends of the first annular slide blocks are respectively and fixedly connected with the corresponding side walls.

According to the interactive holographic three-dimensional display system, the third grooves are all arc-shaped in cross section.

According to the interactive holographic three-dimensional display system, the storage batteries are fixedly mounted on one side in the sleeve, and the electric telescopic rod and the double-shaft motor in the same sleeve are connected with the corresponding storage batteries.

The invention has the advantages that: when the display cabinet is used, the right side of the display cabinet faces to audiences, as shown in figure 1, holographic glass in the display cabinet is subjected to holographic projection, meanwhile, the power device drives the screw rod to rotate, the display cabinet moves up and down along with the first shaft sleeve due to the rotation of the screw rod, and meanwhile, the first shaft sleeve can be effectively prevented from rotating due to the fact that the second shaft sleeve is fixedly connected with the first shaft sleeve, so that the vertical lifting of the display cabinet is realized; when the display cabinet moves horizontally, as shown in fig. 2, the electric telescopic rod extends to enable the transverse plate, the double-shaft motor and the second gear, the movable part of the telescopic shaft and the first gear to move along with the movement, the first gear is separated from the corresponding annular rack, the upper roller can not contact and match with the top wall of the display room, the lower roller contacts and matches with the bottom wall of the display room, simultaneously, the two double-shaft motors in the sleeve work simultaneously, because the second gear and the gear column are meshed and matched all the time, the rotation of the double-shaft motors drives the corresponding gear column and the telescopic shaft to rotate along with the movement, the rotation of the telescopic shaft enables the corresponding ratchet wheel to rotate along with the movement, when the roller wheel moves linearly, the two double-shaft motors rotate forward, because the directions of the ratchets of the two disks are opposite, the ratchet wheel at the upper part is meshed and matched with one, the two rollers are driven to move in the same direction under the driving of the ratchet wheels, when the rollers move in opposite directions, the two double-shaft motors rotate reversely, the upper ratchet wheel is meshed with the other ratchet wheel, and the lower ratchet wheel is meshed with one ratchet wheel, so that the two rollers are driven to move in opposite directions under the driving of the ratchet wheels; when the moving device turns, as shown in fig. 3, four rolling balls corresponding to the same sleeve all move to the vertical and horizontal intersection of the third groove, at the same time, the electric telescopic rod all contracts, so that the first gear is engaged and matched with the corresponding annular rack, as shown in fig. 5, two double-shaft motors in the sleeve simultaneously work, because the first gear is engaged and matched with the corresponding annular rack, the output shaft of the double-shaft motor rotates to drive the corresponding first gear and the second gear to rotate along with the first gear, because the rolling balls are positioned in the corresponding spherical grooves, the annular rack is fixedly arranged in the sleeve, the annular rack and the corresponding sleeve are kept static, the rotation of the first gear enables the corresponding transverse plate and the second sleeve to rotate ninety degrees along with the second gear, so that the corresponding roller also rotates ninety degrees along with the second gear, thereby realizing the turning of the roller, when the roller moves or turns, the rolling balls are all positioned in the corresponding third grooves, and the third grooves have a guiding effect on the rolling balls, so that the right side of the display cabinet always faces to audiences; the invention adopts a mode that one display cabinet corresponds to the two sleeves at the upper part and the lower part, the diameter of the sleeve is small, the size of the sleeve is small, so that a plurality of display cabinets can be arranged in the whole display room for displaying at the same time; the invention is particularly suitable for the display area of an exhibition hall or a museum, and the movable and liftable display cabinet can make objects or characters displayed in the corresponding holographic glass more three-dimensional and more spectacular while displaying the whole dynamic picture to be displayed by adopting a plurality of display cabinet devices; meanwhile, the invention is also suitable for displaying indoor layout effect diagrams of indoor designs, each display cabinet corresponds to one indoor decorative article, and the heights and positions of the decorative articles are adjusted according to the adjustment of a plurality of display cabinets, so that the whole indoor layout is adjusted, the display of the decorative articles of the whole indoor layout is more flexible, the optimal indoor layout effect is achieved, the display cabinets and the holographic glass are the prior art, and the method is not repeated in this application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1I; FIG. 3 is an enlarged view of the view from FIG. 1A; FIG. 4 is a schematic structural view of two disks; fig. 5 is a view showing a state in which the portion of fig. 1 i is used.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An interactive holographic three-dimensional display system comprises a display room 1, wherein a plurality of C-shaped display cabinets 3 with right openings are arranged in the display room 1, holographic glass 2 for projection is fixedly installed on the inner bottom surfaces of the display cabinets 3, vertical lead screws 5 are arranged on the left sides of the display cabinets 3, first shaft sleeves 6 in threaded connection with the lead screws 5 are sleeved in the middle of the lead screws 5, the right sides of the first shaft sleeves 6 are fixedly connected with the left side of the display cabinets 3, first sleeves 7 with smooth peripheries and parallel to the left sides of the lead screws 5 are arranged on the left sides of the lead screws 5, second shaft sleeves 8 in contact fit with the first sleeves 7 are sleeved in the middle of the first sleeves 7, the right sides of the second shaft sleeves 8 are fixedly connected with the left sides of the first shaft sleeves 6, vertical sleeves 9 are symmetrically arranged on the top and the bottom of the first sleeves 7 along the horizontal central line, the open ends of the sleeves 9 face one side far away from the middle of the first sleeves 7, the two ends of the first sleeves 7 respectively penetrate through the, a coaxial telescopic shaft 10 connected with a bearing is arranged in the first sleeve 7, the telescopic shaft 10 is divided into a fixed part at the middle part and movable parts at two ends, the movable parts can axially extend and retract along the fixed part and do not rotate relative to the fixed part, two movable ends of the telescopic shaft 10 penetrate through the first sleeve 7, and the first sleeve 7, the sleeve 9 and the telescopic shaft 10 are coaxial; the left and right outer sides of the end part of the first sleeve 7 are respectively fixedly provided with a vertical electric telescopic rod 11 with a movable end far away from the middle part of the first sleeve 7, the sleeve 9 is internally and fixedly provided with an annular rack 12 with inward facing and coaxial teeth, the inner side of the closed end of the sleeve 9 is provided with an annular first groove 13 coaxial with the sleeve, the first groove 13 is positioned at the outer side of the corresponding annular rack 12, the sleeve 9 is internally provided with a vertical second sleeve 14 coaxial with the sleeve 9, one end of the second sleeve 14 close to the middle part of the first sleeve 7 is in splicing fit with the corresponding first groove 13, the movable end of the electric telescopic rod 11 is connected with the inner wall of the second sleeve 14 through a transverse plate 15, the middle part of the movable part of the telescopic shaft 10 is fixedly provided with a gear column 18, one side of the transverse plate 15 far away from the middle part of the first sleeve 7 is fixedly provided with a double-shaft motor 19, the output shaft of the double-, the second gears 20 are all engaged with the corresponding gear posts 18 all the time, the output shafts of the double-shaft motors 19 close to the middle of the first sleeve 7 penetrate through the corresponding transverse plates 15 and are respectively connected with the transverse plates through bearings, the output shafts of the double-shaft motors 19 close to the middle of the first sleeve 7 are respectively fixedly provided with the first gears 17, the two first gears 17 are respectively positioned at the inner sides of the corresponding annular racks 12, the first gears 17 can be engaged with the corresponding annular racks 12, the outer sides of the movable ends of the telescopic shafts 10 are respectively fixedly sleeved with two ratchet wheels 22 with opposite teeth, the left and right sides of the second sleeve 14 are respectively provided with a horizontal second rotating shaft 23 through bearings, the inner ends of the second rotating shafts 23 are respectively and fixedly provided with a disc 24 coaxial with the second rotating shafts, the two discs 24 are respectively positioned between the two ratchet wheels 22, the peripheries of the two discs 24 are respectively and uniformly hinged with a plurality of ratchet teeth 25 in an annular shape, the connecting positions of the, ratchet 25 homoenergetic and two ratchet 22 meshing cooperations that correspond, the equal fixed mounting gyro wheel 26 of one side periphery that second pivot 23 is close to second sleeve pipe 14, sleeve 9 keeps away from one side at first sleeve pipe 7 middle part and evenly sets up four spherical recess 27 at the equidistant, all install roll complex spin 28 with it in the spherical recess 27, lead screw 5's both ends run through corresponding sleeve 9's blind end respectively and be connected with its bearing respectively, still be equipped with drive lead screw 5 pivoted power device in the sleeve 9, equidistant vertically and horizontally staggered's third recess 32 is all seted up to roof and the diapire between the exhibition, spin 28 all is located corresponding third recess 32 and roll cooperation with it, electric telescopic handle 11, double-shaft motor 19 all is connected with power and controller. When the display cabinet is used, the right side of the display cabinet 3 faces to audiences, as shown in fig. 1, holographic glass 2 in the display cabinet 3 is subjected to holographic projection, a power device drives a lead screw 5 to rotate, the display cabinet 3 moves up and down along with a first shaft sleeve 6 due to the rotation of the lead screw 5, and meanwhile, the first shaft sleeve 6 can be effectively prevented from rotating due to the fact that a second shaft sleeve 8 is fixedly connected with the first shaft sleeve 6, so that the display cabinet 3 is vertically lifted; when the display cabinet 3 moves horizontally, as shown in fig. 2, the electric telescopic rod 11 extends to make the transverse plate 15, the double-shaft motor 19, the second gear 20, the movable part of the telescopic shaft 10 and the first gear 17 move along with the movement, the first gear 17 is separated from the corresponding annular rack 12, the upper roller 26 cannot be in contact fit with the top wall of the display room 1, the lower roller 26 is in contact fit with the bottom wall of the display room 1, simultaneously, the two double-shaft motors 19 in the sleeve 9 work simultaneously, because the second gear 20 is in constant engagement fit with the gear column 18, the rotation of the double-shaft motor 19 drives the corresponding gear column 18 and the telescopic shaft 10 to rotate along with the rotation, the rotation of the telescopic shaft 10 makes the corresponding ratchet wheel 22 rotate along with the rotation, when the roller 26 moves linearly, the two double-shaft motors 19 rotate positively, because the directions of the ratchets 25 of the two disks 24 are opposite, the ratchet wheel 22 at the upper part is engaged with one, meanwhile, the lower ratchet wheel 22 is meshed and matched with the other ratchet wheel 25, the two rollers 26 are driven to move in the same direction under the driving of the ratchet wheel 22, when the rollers 26 move in opposite directions, the two double-shaft motors 19 rotate reversely, the upper ratchet wheel 22 is meshed and matched with the other ratchet wheel 25, and the lower ratchet wheel 22 is meshed and matched with one ratchet wheel 25, so that the two rollers 26 are driven to move in opposite directions under the driving of the ratchet wheel 22; when the moving device is turned, as shown in fig. 3, the four rolling balls 28 corresponding to the same sleeve 9 all move to the vertical and horizontal intersection of the third groove 32, at this time, the electric telescopic rod 11 is contracted, so that the first gear 17 is engaged with the corresponding annular rack 12, as shown in fig. 5, at the same time, the two dual-shaft motors 19 in the sleeve 9 work simultaneously, because the first gear 17 is engaged with the corresponding annular rack 12, the output shaft of the dual-shaft motor 19 rotates to drive the corresponding first gear 17 and the second gear 20 to rotate along with the first gear 17, and because the rolling balls 28 are located in the corresponding spherical grooves 32, the annular rack 12 is fixedly installed in the sleeve 9, the annular rack 12 and the corresponding sleeve 9 are kept stationary, the rotation of the first gear 17 makes the corresponding transverse plate 15 and the second sleeve 14 rotate ninety degrees along with the second gear, so that the corresponding roller 26 also rotates ninety degrees along with the second gear, thereby realizing the steering of the roller 26, when the roller 26 moves or steers, the rolling balls 28 are all positioned in the corresponding third grooves 32, and the third grooves 32 have the guiding function to the rolling balls 28, so that the right side of the display cabinet 3 always faces to the audience; the invention adopts a mode that one display cabinet 3 corresponds to two sleeves 9 at the upper part and the lower part, the diameter of the sleeve 9 is small, the size is small, so that a plurality of display cabinets 3 can be arranged in the whole display room 1 for displaying at the same time, meanwhile, a plurality of display cabinets 3 are arranged in one display room 1 at the same time, each display cabinet 3 adopts two corresponding sleeves 9 for moving, and a plurality of display cabinets 3 move in the display room 1 at the same time, so that the whole display picture is more visual and stereoscopic, and the picture is more vivid and lively; the invention is especially suitable for the exhibition area of exhibition hall or museum, while adopting a plurality of exhibition cabinets 3 to exhibit the whole dynamic picture to be exhibited, the movable and lifting exhibition cabinet 3 can make the object or character displayed in the corresponding holographic glass 2 more three-dimensional and more spectacular; meanwhile, the invention is also suitable for displaying indoor layout effect diagrams of indoor designs, each display cabinet 3 corresponds to one indoor decorative article, and the heights and positions of the decorative articles are adjusted according to the adjustment of the plurality of display cabinets 3, so that the whole indoor layout is adjusted, the display of the decorative articles of the whole indoor layout is more flexible, the optimal indoor layout effect is achieved, the display cabinets and the holographic glass are the prior art, and the description is omitted.

Specifically, as shown in fig. 2, the power device according to the present embodiment includes a second motor 29, a fifth gear 30, and a sixth gear 31, the second motor 29 with an upward output shaft is fixedly installed on an inner side wall of the sleeve 9, the fifth gear 30 is fixedly installed on an output shaft of the second motor 29, the sixth gear 31 is fixedly installed on a lower end of the lead screw 5, the fifth gear 30 is engaged with the sixth gear 31, and the second motor 29 is connected to a power supply and a controller. In use, since the fifth gear 30 is meshed with the sixth gear 31, the rotation of the output shaft of the second motor 29 drives the lead screw 5 to rotate therewith.

Specifically, as shown in fig. 2, an annular second groove 33 is formed in an inner side wall of the first groove 13, an annular slider 34 contacting and matching with the second groove 33 is disposed in the second groove 33, and outer ends of the annular slider 34 are respectively and fixedly connected to corresponding side walls of the second sleeve 14. In the use process, as the corresponding second grooves 33 of the annular sliders 34 are in contact fit, the annular sliders 34 rotate along with the corresponding second sleeves 14 and move up and down along with the corresponding second grooves 33, and the second grooves 33 limit the up and down movement of the second sleeves 14.

Further, as shown in fig. 2, the third grooves 32 in this embodiment are all arc-shaped in cross section. In the use process, the rolling ball 28 is in contact fit with the third groove 32 with the corresponding arc-shaped section, so that the rolling ball 28 can move more smoothly.

Furthermore, as shown in fig. 2, in the present embodiment, the storage batteries 35 are fixedly installed on both inner sides of the sleeve 9, and the electric telescopic rod 11 and the dual-shaft motor 19 in the same sleeve 9 are connected to the corresponding storage batteries 35. Battery 35 duration is long, and the power supply is stable, and electric telescopic handle 11, the biax motor 19 in the same sleeve 9 all with by the battery 35 power supply that corresponds simultaneously for the removal of whole sleeve 9 is more nimble convenient.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An interactive holographic three-dimensional display system is characterized in that: comprises a display room (1), a plurality of C-shaped display cabinets (3) with right openings are arranged in the display room (1), holographic glass (2) used for projection is fixedly arranged on the inner bottom surface of each display cabinet (3), vertical lead screws (5) are arranged on the left sides of the display cabinets (3), first shaft sleeves (6) in threaded connection with the lead screws (5) are sleeved in the middle of the lead screws (5), the right sides of the first shaft sleeves (6) are fixedly connected with the left sides of the display cabinets (3), first parallel sleeves (7) with smooth peripheries are arranged on the left sides of the lead screws (5), second shaft sleeves (8) in contact fit with the first sleeves (7) are sleeved in the middle of the first sleeves (7), the right sides of the second shaft sleeves (8) are fixedly connected with the left sides of the first shaft sleeves (6), vertical sleeves (9) are symmetrically arranged at the tops and the bottoms of the first sleeves (7) along the horizontal central line of the first sleeves, the open ends of the sleeves (9) face towards one side far away from the, the two ends of the first sleeve (7) penetrate through the closed ends of the corresponding sleeves (9) respectively and are connected with the bearings respectively, coaxial telescopic shafts (10) connected with the bearings are arranged in the first sleeve (7), each telescopic shaft (10) is divided into a fixed part at the middle part and movable parts at the two ends, each movable part can axially extend and retract along the corresponding fixed part and cannot rotate relative to the corresponding fixed part, the two movable ends of each telescopic shaft (10) penetrate through the first sleeve (7), and the first sleeve (7), the sleeves (9) and the telescopic shafts (10) are coaxial; the left and right outer sides of the end part of the first sleeve (7) are respectively fixedly provided with a vertical electric telescopic rod (11) with a movable end far away from the middle part of the first sleeve (7), the sleeve (9) is internally and fixedly provided with an annular rack (12) which is coaxial with the inner side of the sleeve, the inner side of the closed end of the sleeve (9) is provided with an annular first groove (13) which is coaxial with the inner side of the annular rack (12), the first groove (13) is positioned at the outer side of the corresponding annular rack (12), the sleeve (9) is internally provided with a vertical second sleeve (14) which is coaxial with the sleeve, one end of the second sleeve (14) close to the middle part of the first sleeve (7) is in inserting fit with the corresponding first groove (13), the movable end of the electric telescopic rod (11) is connected with the inner wall of the second sleeve (14) through a transverse plate (15), the middle part of the movable part of the telescopic shaft (10) is fixedly provided with a gear column (18), one side of the transverse plate (, the output shafts of the double-shaft motors (19) far away from the middle part of the first sleeve (7) are fixedly provided with second gears (20), the second gears (20) are always meshed and matched with corresponding gear columns (18), the output shafts of the double-shaft motors (19) close to the middle part of the first sleeve (7) penetrate through corresponding transverse plates (15) and are respectively in bearing connection with the transverse plates, the output shafts of the double-shaft motors (19) close to the middle part of the first sleeve (7) are fixedly provided with first gears (17), the two first gears (17) are respectively positioned at the inner sides of corresponding annular racks (12), the first gears (17) can be meshed and matched with the corresponding annular racks (12), the outer sides of the movable ends of the telescopic shafts (10) are fixedly sleeved with ratchet wheels (22) with two opposite teeth, the left side and the right side of the second sleeve (14) are respectively provided with horizontal second rotating shafts (23), the inner ends of the second rotating shafts (23) are respectively fixedly provided with discs (24) which are coaxial with, the two disks (24) are located between the two ratchet wheels (22), the peripheries of the two disks (24) are respectively and annularly and uniformly hinged with a plurality of ratchets (25), the joints of the ratchets (25) are respectively provided with a torsion spring, the directions of the ratchets (25) of the two disks (24) are opposite, the ratchets (25) can be meshed and matched with the corresponding two ratchet wheels (22), the periphery of one side of the second rotating shaft (23), which is close to the second sleeve (14), is fixedly provided with a roller (26), one side of the sleeve (9), which is far away from the middle part of the first sleeve (7), is uniformly provided with four spherical grooves (27) at equal intervals, rolling balls (28) in rolling and matched with the spherical grooves are respectively arranged in the spherical grooves (27), two ends of the lead screw (5) respectively penetrate through the closed ends of the corresponding sleeves (9) and are respectively connected with bearings, a power device for driving the lead screw (5) to rotate is also arranged in the sleeve (9), third grooves (32) at equal intervals, the rolling balls (28) are located in the corresponding third grooves (32) and are matched with the third grooves in a rolling mode, and the electric telescopic rod (11) and the double-shaft motor (19) are connected with a power supply and a controller.

2. The interactive holographic three-dimensional display system of claim 1, wherein: the power device comprises a second motor (29), a fifth gear (30) and a sixth gear (31), wherein the second motor (29) with an upward output shaft is fixedly installed on the inner side wall of the sleeve (9), the fifth gear (30) is fixedly installed on the output shaft of the second motor (29), the sixth gear (31) is fixedly installed at the lower end of the lead screw (5), the fifth gear (30) is meshed with the sixth gear (31) in a matched mode, and the second motor (29) is connected with a power source and a controller.

3. The interactive holographic three-dimensional display system of claim 1, wherein: an annular second groove (33) is formed in the inner side wall of the first groove (13), an annular sliding block (34) in contact fit with the second groove (33) is arranged in the second groove (33), and the outer end of the annular sliding block (34) is fixedly connected with the corresponding side wall of the second sleeve (14) respectively.

4. An interactive holographic three-dimensional display system according to claim 1, 2 or 3, characterized in that: the third grooves (32) are all arc-shaped in cross section.

5. An interactive holographic three-dimensional display system according to claim 1, 2 or 3, characterized in that: the electric telescopic rod is characterized in that a storage battery (35) is fixedly mounted on one side in the sleeve (9), and an electric telescopic rod (11) and a double-shaft motor (19) in the same sleeve (9) are connected with the corresponding storage battery (35).